Greatest Common Factor of 28, 65, 49, 188

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 28, 65, 49, 188 by common division method
• Greatest Common Factor of 28, 65, 49, 188 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 188

List of positive integer factors of 188 that divides 188 without a remainder.

1,2,4,47,94,188

Greatest Common Factor

We found the factors 28,65,49,188 . The biggest common factor number is the GCF number.
So the greatest common factor 28,65,49,188 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 51, 86, 18, 400
• GCF of 13, 17, 64, 197
• GCF of 55, 75, 63, 489
• GCF of 59, 30, 71, 897
• GCF of 36, 34, 47, 740

1. What is the GCF of 28, 65, 49, 188?

Answer: GCF of 28, 65, 49, 188 is 1.

2. How to Find the GCF of 28, 65, 49, 188

Answer: Greatest Common Factor(GCF) of 28, 65, 49, 188 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(28, 65, 49, 188) = 1.